1 files changed, 0 insertions, 89 deletions
diff --git a/chip/stm32/usb_gpio.c b/chip/stm32/usb_gpio.c
deleted file mode 100644
index 64d46875b5..0000000000
--- a/chip/stm32/usb_gpio.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* Copyright 2014 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "common.h"
-#include "gpio.h"
-#include "link_defs.h"
-#include "registers.h"
-#include "usb_gpio.h"
-
-void usb_gpio_tx(struct usb_gpio_config const *config)
-{
-	size_t   i;
-	uint32_t mask  = 1;
-	uint32_t value = 0;
-
-	for (i = 0; i < config->num_gpios; ++i, mask <<= 1)
-		value |= (gpio_get_level(config->gpios[i])) ? mask : 0;
-
-	config->tx_ram[0] = value;
-	config->tx_ram[1] = value >> 16;
-
-	btable_ep[config->endpoint].tx_count = USB_GPIO_TX_PACKET_SIZE;
-
-	/*
-	 * TX packet updated, mark the packet as VALID.
-	 */
-	STM32_TOGGLE_EP(config->endpoint, EP_TX_MASK, EP_TX_VALID, 0);
-}
-
-void usb_gpio_rx(struct usb_gpio_config const *config)
-{
-	size_t   i;
-	uint32_t mask        = 1;
-	uint32_t set_mask    = ((uint32_t)(config->rx_ram[0]) |
-			        (uint32_t)(config->rx_ram[1]) << 16);
-	uint32_t clear_mask  = ((uint32_t)(config->rx_ram[2]) |
-			        (uint32_t)(config->rx_ram[3]) << 16);
-	uint32_t ignore_mask = set_mask & clear_mask;
-
-	config->state->set_mask = set_mask;
-	config->state->clear_mask = clear_mask;
-
-	if ((btable_ep[config->endpoint].rx_count & RX_COUNT_MASK) ==
-	    USB_GPIO_RX_PACKET_SIZE) {
-		for (i = 0; i < config->num_gpios; ++i, mask <<= 1) {
-			if (ignore_mask & mask)
-				;
-			else if (set_mask & mask)
-				gpio_set_level(config->gpios[i], 1);
-			else if (clear_mask & mask)
-				gpio_set_level(config->gpios[i], 0);
-		}
-	}
-
-	/*
-	 * RX packet consumed, mark the packet as VALID.
-	 */
-	STM32_TOGGLE_EP(config->endpoint, EP_RX_MASK, EP_RX_VALID, 0);
-}
-
-void usb_gpio_event(struct usb_gpio_config const *config, enum usb_ep_event evt)
-{
-	int i;
-
-	if (evt != USB_EVENT_RESET)
-		return;
-
-	i = config->endpoint;
-
-	btable_ep[i].tx_addr  = usb_sram_addr(config->tx_ram);
-	btable_ep[i].tx_count = USB_GPIO_TX_PACKET_SIZE;
-
-	btable_ep[i].rx_addr  = usb_sram_addr(config->rx_ram);
-	btable_ep[i].rx_count = ((USB_GPIO_RX_PACKET_SIZE / 2) << 10);
-
-	/*
-	 * Initialize TX buffer with zero, the first IN transaction will fill
-	 * this in with a valid value.
-	 */
-	config->tx_ram[0] = 0;
-	config->tx_ram[1] = 0;
-
-	STM32_USB_EP(i) = ((i <<  0) | /* Endpoint Addr*/
-			   (3 <<  4) | /* TX Valid */
-			   (0 <<  9) | /* Bulk EP */
-			   (3 << 12)); /* RX Valid */
-}